#
# @lc app=leetcode.cn id=260 lang=python3
#
# [260] 只出现一次的数字 III
#

# @lc code=start
from typing import List
class Solution:
    def singleNumber(self, nums: List[int]) -> List[int]:
        print('hello world')
# @lc code=end

if __name__=='__main__':
    solution = Solution()
    nums = []
    solution.singleNumber(nums)